Home / 558,622,350.15-770,780,898.66-323,658,702.78

Finding the Fourth Proportional to 558,622,350.15, 770,780,898.66 and 323,658,702.78

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Solution

The fourth proportional to 558,622,350.15, 770,780,898.66 and 323,658,702.78 is: 446,580,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,622,350.15 : 770,780,898.66 = 323,658,702.78 : x
  2. Step 2: Convert to fraction form
    558,622,350.15/770,780,898.66 = 323,658,702.78/x
  3. Step 3: Cross multiply
    558,622,350.15x = 770,780,898.66 × 323,658,702.78
  4. Step 4: Simplify right side
    558,622,350.15x = 249,469,945,787,898,208
  5. Step 5: Solve for x
    x = 249,469,945,787,898,208/558,622,350.15
  6. Step 6: Final answer
    x = 446,580,674.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.